120011003 has 8 divisors (see below), whose sum is σ = 139203072. Its totient is φ = 101330856.

The previous prime is 120010999. The next prime is 120011009. The reversal of 120011003 is 300110021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120011003 - 2² = 120010999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120011009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127475 + ... + 128412.

It is an arithmetic number, because the mean of its divisors is an integer number (17400384).

Almost surely, 2^120011003 is an apocalyptic number.

120011003 is a deficient number, since it is larger than the sum of its proper divisors (19192069).

120011003 is an equidigital number, since it uses as much as digits as its factorization.

120011003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255961.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 120011003 is about 10954.9533545333. The cubic root of 120011003 is about 493.2574898117.

Adding to 120011003 its reverse (300110021), we get a palindrome (420121024).

The spelling of 120011003 in words is "one hundred twenty million, eleven thousand, three".